Shimano XT M8000-B1 11-Speed 175mm Boost Crank Arm Set No Chainring

Shimano XT FC-M8000-B1 Crank Arms 176 Q-Factor, 53.4mm chainline 4 bolt spider compatible with all XT 8000 series chainring configurations Aluminum crank arm and spider with steel spindle Hollowtech II crank arm construction Steel driving gear teeth and aluminum support gears Item Specifications Color Black Spindle Interface Type Shimano Hollowtech II Pedal Spindle 9/16" Chainring BCD 96 Shimano Asymmetric Rings Sold Separately BB Included No Crank Intended Use Mountain Defined Color Black Crank Length (mm) 175 Drivetrain Speeds 11 Number of Chainrings No Rings Included Chainline/Hub Compatibility 141/148 Boost Hubs